Não informado. (1945). British abstracts. Bureau of Chemical Abstracts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. British Abstracts. London: Bureau of Chemical Abstracts, 1945.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. British Abstracts. Bureau of Chemical Abstracts, 1945.
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